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Finding the Fourth Proportional to 404,212.60, 606,318.90 and 297,924.40

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Solution

The fourth proportional to 404,212.60, 606,318.90 and 297,924.40 is: 446,886.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,212.60 : 606,318.90 = 297,924.40 : x
  2. Step 2: Convert to fraction form
    404,212.60/606,318.90 = 297,924.40/x
  3. Step 3: Cross multiply
    404,212.60x = 606,318.90 × 297,924.40
  4. Step 4: Simplify right side
    404,212.60x = 180,637,194,491.16
  5. Step 5: Solve for x
    x = 180,637,194,491.16/404,212.60
  6. Step 6: Final answer
    x = 446,886.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.